A 17.3-inch foldable tablet PC called the Zenbook 17 Fold OLED by ASUS is shown at the Internationale Funkausstellung IFA consumer technology fair, in Berlin, Germany September 1, 2022. REUTERS/Fabrizio Bensch 

French President Francois Hollande (C) looks on a digital tablet, as Louvre Museum President Jean Luc Martinez (2ndL), and French researcher Yves Ubelmann (R), look on, during the opening of the Palmyra Exhibit, a three-dimensional projection featuring never-before-seen images of Palmyra taken by a drone in April at the Grand Palais in Paris, France, December13, 2016. REUTERS/Francois Mori/Pool 

FILE PHOTO -- The interior of a Tesla Model S is shown in autopilot mode in San Francisco, California, U.S., April 7, 2016. REUTERS/Alexandria Sage/File Photo 

The interior of a Tesla Model S is shown in autopilot mode in San Francisco, California, U.S., April 7, 2016. REUTERS/Alexandria Sage/File Photo 

An iPad displaying flight status of the Zipline aerial delivery drone is seen during a demonstration at an undisclosed location in the San Francisco Bay Area, California, U.S., May 5, 2016. REUTERS/Stephen Lam 

Senator Juan Ponce Enrile (front) plays a computer game on his tablet during a Senate hearing of money laundering involving $81 million stolen from Bangladesh's central bank, at the Philippine Senate in Manila April 19, 2016. REUTERS/Erik De Castro 

Senator Juan Ponce Enrile plays a computer game on his tablet during a Senate hearing of money laundering involving $81 million stolen from Bangladesh's central bank, at the Philippine Senate in Manila April 19, 2016. REUTERS/Erik De Castro 

People look at ZTE Axon mobile phones during the Mobile World Congress in Barcelona, Spain February 25, 2016. REUTERS/Albert Gea 

A Syria Democratic Forces leader (R) uses a walkie talkie and a tablet to communicate with the U.S. alliance operation room on the outskirts of al-Shadadi town, Hasaka countryside, Syria February 19, 2016. REUTERS/Rodi Said TPX IMAGES OF THE DAY

U.S. Republican presidential candidate Donald Trump impersonator Todd Wertalik (R) speaks to the media prior to a campaign stop in Tampa, Florida February 12, 2016. REUTERS/Mike Carlson 

U.S. republican presidential candidate Marco Rubio walks to his car with son Dominick off his charter plane in Greer, South Carolina, February 10, 2016. REUTERS/Carlo Allegri 

A journalist films inside a tunnel connected from a house to the city's drains used by the drug lord Joaquin "El Chapo" Guzman to escape during an operation to recapture him in Los Mochis in Sinaloa state, Mexico, January 11, 2016. The world's most-wanted drug boss, Joaquin "El Chapo" Guzman, gave Mexican security forces the slip last week by opening a secret doorway hidden behind a mirror and descending into a sophisticated tunnel leading to the city's drains.The infamous head of the Sinaloa drug cartel was arrested on Friday after a months-long manhunt that followed his escape by tunnelling out of a Mexican maximum security prison in July. REUTERS/Edgard Garrido 

A woman photographs the scene with a tablet covered in a Ziggy Stardust themed case at a mural of David Bowie in Brixton, south London, January 11, 2016. David Bowie, a music legend who used daringly androgynous displays of sexuality and glittering costumes to frame legendary rock hits "Ziggy Stardust" and "Space Oddity", has died of cancer. REUTERS/Stefan Wermuth

An iPad is seen inside the Columbia Care marijuana dispensary in New York January 7, 2016. New York's first medical marijuana dispensaries are opening their doors on Thursday, as the state launches one of the most conservative programs of its kind in the United States. REUTERS/Shannon Stapleton 

Shep Morris, president of the farmer-owned Milstead Farm Group gin, is reflected in his iPad as he monitors production at the gin in Shorter, Alabama October 26, 2015. The gin produces one bale every one minute and fifty seconds. REUTERS/Brian Snyder 

Northern League leader Matteo Salvini takes a picture with a tablet during a rally in Bologna, central Italy, November 8, 2015. The Northern League, Italy's third largest political force, is planning a major rally to voice its opposition to the government of Prime Minister Matteo Renzi. REUTERS/Stefano Rellandini 

A woman photographs leaves inside Central Park as the colors of autumn become more prevalent in New York, October 29, 2015. REUTERS/Lucas Jackson

Bishops look at an iPad as they wait for the arrival of Pope Francis to lead the synod on the family in the Synod hall at the Vatican, October 15, 2015. REUTERS/Max Rossi

The new Amazon Fire HD 10 tablet and keyboard is displayed during a media event introducing new Amazon products in San Francisco, California September 16, 2015. Amazon on Thursday rolled out a line of new, 8-inch and 10-inch Fire HD tablets and revamped Fire TV gadgets. Photo taken September 16, 2015. REUTERS/Beck Diefenbach 

A protester, holding a broken tablet, records a video of a clash between protesters and police officers during a rally against Japan's Prime Minister Shinzo Abe's security bill and his administration in front of the parliament in Tokyo, Japan, September 16, 2015. Crowds of protesters rallied on Wednesday as Japan's parliament moved close to passing bills for a defence policy change that could allow troops to fight abroad for the first time since World War Two, despite opposition by many ordinary voters. REUTERS/Yuya Shino 

Governor of Qassim region, Prince Faisal bin Mishaal bin Abdul Aziz (L) looks at a tablet during a campaign aimed at raising awareness of terrorism danger in the central Saudi province of Qassim September 2, 2015. REUTERS/Faisal Al Nasser

Thai police spokesman Prawut Thawornsiri shows a sketch of a suspect believed to be involved in the recent Bangkok blast at the Royal Thai Police headquarters in Bangkok, Thailand, September 1, 2015. Thai police have issued arrest warrants for three more foreign male suspects, Prawut said. REUTERS/Jorge Silva 

Thai police spokesman Prawut Thawornsiri shows a sketch of a suspect believed to be involved in the recent Bangkok blast at the Royal Thai Police headquarters in Bangkok, Thailand, September 1, 2015. Thai police have issued arrest warrants for three more foreign male suspects, Prawut said. REUTERS/Jorge Silva 

Thai police spokesman Prawut Thawornsiri shows a sketch of a suspect believed to be involved in the recent Bangkok blast at the Royal Thai Police headquarters in Bangkok, Thailand, September 1, 2015. Thai police have issued arrest warrants for three more foreign male suspects, Prawut said. REUTERS/Jorge Silva 

Thai police spokesman Prawut Thawornsiri shows a sketch of a suspect believed to be involved in the recent Bangkok blast at the Royal Thai Police headquarters in Bangkok, Thailand, September 1, 2015. Thai police have issued arrest warrants for three more foreign male suspects, Prawut said. REUTERS/Jorge Silva 

Thai police spokesman Prawut Thawornsiri shows a sketch of a suspect believed to be involved in the recent Bangkok blast at the Royal Thai Police headquarters in Bangkok, Thailand, September 1, 2015. Thai police have issued arrest warrants for three more foreign male suspects, Prawut said. REUTERS/Chaiwat Subprasom TPX IMAGES OF THE DAY

A Bring Back Our Girls (BBOG) campaigner uses a tablet to film a protest procession marking the 500th day since the abduction of girls in Chibok, along a road in Lagos August 27, 2015. The Islamist militant group Boko Haram kidnapped some 270 girls and women from a school in Chibok a year ago. More than 50 eventually escaped, but at least 200 remain in captivity, along with scores of other girls kidnapped before the Chibok girls. REUTERS/Akintunde Akinleye 

A demonstrator holds an iPad with a message that reads, "Otto out, Guate(mala) can't bear you" during a protest against Guatemala's President Otto Perez in Guatemala City, Guatemala, August 21, 2015. Guatemala's attorney general sought to impeach Perez on Friday over a customs fraud that led to the arrest of his former vice president, deepening a government crisis ahead of presidential elections next month. Perez's conservative administration has spent much of this year mired in public protests and scandals over corruption allegations against senior officials, several of whom the retired general fired during a cabinet purge in May. REUTERS/Josue Decavele

Gaming fans walk past Dota artwork during The International Dota 2 Championships at Key Arena in Seattle, Washington August 8, 2015. Evil Geniuses defeated CDEC Gaming in the Grand Finals to win the title. The multiplayer video game tournament launched in 2011 with a then-groundbreaking grand prize of $1 million and now offers an $18 million prize pool. REUTERS/Jason Redmond 

Spain's Treasury and Public Administrations Minister Cristobal Montoro poses during the presentation of the 2016 budget at the Spanish parliament in Madrid, Spain, August 4, 2015. Spain's debt as a ratio of economic output will rise to 98.7 percent this year before falling to 98.2 percent in 2016, a Treasury document forecast on Tuesday. REUTERS/Andrea Comas 

Spain's Treasury and Public Administrations Minister Cristobal Montoro poses during the presentation of the 2016 budget at the Spanish parliament in Madrid, Spain, August 4, 2015. Spain's debt as a ratio of economic output will rise to 98.7 percent this year before falling to 98.2 percent in 2016, a Treasury document forecast on Tuesday. REUTERS/Andrea Comas 

Vermont Senator and U.S. Democratic presidential candidate Bernie Sanders hugs a supporter at an environmental group's endorsement event in Concord, New Hampshire, August 1, 2015. REUTERS/Dominick Reuter 

A boy views an iPad at an Apple shop in the Central Universal Department Store (TsUm) in Moscow, Russia, July 31, 2015. REUTERS/Maxim Shemetov 

A man using his smartphone walks past an advertisement board for Japan's Nikkei newspaper's digital media on a street in Tokyo, Japan, July 24, 2015. Japanese media group Nikkei has agreed to buy the Financial Times from Britain's Pearson for $1.3 billion, putting one of the world's premier business newspapers in the hands of a company influential at home but little known outside Japan. The sentence (C) reads in Japanese "for business keeps on moving". REUTERS/Yuya Shino TPX IMAGES OF THE DAY

A worker is reflected on a glass window at an Apple retail store in San Francisco, California, July 21, 2015. Apple reported a 32.5 percent rise in quarterly revenue, helped by 35 percent jump in sales of its flagship iPhones. REUTERS/Robert Galbraith 

The homepage of the Ashley Madison website is displayed on an iPad, in this photo illustration taken in Ottawa, Canada July 21, 2015. Canada's prim capital is suddenly focused more on the state of people's affairs than the affairs of the state. One in five Ottawa residents allegedly subscribed to adulterers' website Ashley Madison, making one of the world's coldest capitals among the hottest for extra-marital hookups - and the most vulnerable to a breach of privacy after hackers targeted the site. REUTERS/Chris Wattie 

The homepage of the Ashley Madison website is displayed on an iPad, in this photo illustration taken in Ottawa, Canada July 21, 2015. Cheating spouses website AshleyMadison.com, facing hackers' threats to leak clients' nude photos and sexual fantasies, said it is heartened by some initial public response that sees the site as a victim. The website's Canadian parent, Avid Life Media, confirmed a breach of its systems that has put the real names, credit card information and other details of as many as 37 million customers at risk. Avid Life said it has since secured the sites and closed unauthorized access points. REUTERS/Chris Wattie 

Micro-Star International (MSI) motherboard "X99A Godlike Gaming" with LED lights is displayed during the 2015 Computex exhibition at the TWTC Nangang exhibition hall in Taipei, Taiwan, June 2, 2015. Computex, the world's second largest computer show, runs from June 2 to 6. REUTERS/Pichi Chuang

A Lenovo ultrabook and a tablet are displayed during a news conference in Hong Kong, China May 21, 2015. Lenovo Group Ltd, the world's biggest PC maker by sales, said on Thursday its annual net profit rose one percent to $829 million, slightly below analyst expectations, as it completed two major acquisitions during that year. REUTERS/Bobby Yip 

U.S. Secretary of State John Kerry (2nd L), U.S. Under Secretary for Political Affairs Wendy Sherman (2nd R) and staff watch a tablet in Lausanne as U.S. President Barack Obama makes a state address on the status of the Iran nuclear program talks, April 2, 2015. A preliminary nuclear deal between Iran and six world powers is a firm basis for a future accord that could end a 12-year nuclear standoff between Tehran and the West, though details must be worked out, Kerry said on Thursday. REUTERS/Brendan Smialowski/Pool TPX IMAGES OF THE DAY

Journalists work in the independent, Russia-focused, media start-up Meduza office in Riga March 30, 2015. "Meduza", published since last October out of a newsroom in Latvia's capital Riga, offers an alternative to Russia's stridently nationalist state-controlled media and the remaining independent news sources that, Timchenko says, are deferential to the authorities out of fear. Picture taken March 30, 2015. REUTERS/Ints Kalnins 

A woman reads a tablet beside a fire pit on cold winter evening outside the Science Center at Harvard University in Cambridge, Massachusetts February 18, 2015. REUTERS/Brian Snyder (UNITED STATES - Tags: ENVIRONMENT) 

People wait for the start of the Maya Hansen's Fall/Winter 2015 collection show during the Mercedes-Benz Fashion Week in Madrid February 10, 2015. REUTERS/Susana Vera (SPAIN - Tags: FASHION) 

A priest takes a picture with a tablet as Pope Francis leads a Eucharistic mass for members of Catholic religious orders at St.Peter's Basilica in the Vatican, February 2, 2015. REUTERS/Max Rossi (VATICAN - Tags: RELIGION) 

Information sent from a Parrot Pot is shown on a tablet during the 2015 International Consumer Electronics Show (CES) in Las Vegas, Nevada January 6, 2015. The pot can transmit information on soil moisture, temperature, sunlight and fertilizer and allows for remote watering. REUTERS/Steve Marcus (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

Free Syrian Army fighters use an iPad as they prepare to launch a weapon toward the forces of Syria's President Bashar al-Assad in Ain Tarma, in Eastern Ghouta, a suburb of Damascus January 3, 2015. REUTERS/Msallam Abd Albaset (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT) 

A tablet to customise sneakers is pictured in an Adidas pop-up store in Berlin December 2, 2014. Big consumer brands have latched on to personalised products because they seem to have a particular appeal to consumers known as "Millennials" in marketing speak. Used to posting selfie mobile phone shots on social media, this generation, who came of age from around 2000, wants something more than just the latest hot brand name. Millennials still like brands but expect them to listen and react to their ideas and criticism in real time and allow them a role in shaping future products. They have become a big focus of marketing experts as their spending power grows. Picture taken December 2, 2014. REUTERS/Hannibal Hanschke (GERMANY - Tags: BUSINESS SOCIETY) 

A woman takes a picture of the illuminated Christmas tree in front of the Brandenburg Gate in Berlin, December 9, 2014. REUTERS/Fabrizio Bensch (GERMANY - Tags: CITYSCAPE TRAVEL SOCIETY) 

People are seen outside of a boarded up Radio Shack retail store along Shattuck Avenue, in Berkeley, California December 8, 2014. Protesters in northern California hurled objects at police, who responded by firing gas for a second consecutive night, as demonstrations continued over the death of a black man after he was put in a chokehold by a police officer in New York. REUTERS/Robert Galbraith (UNITED STATES - Tags: CIVIL UNREST POLITICS) 

An Iberia Airlines pilot touches the screen of an iPad during a demonstration inside a cockpit of a passenger plane at Terminal 4 of Madrid's Adolfo Suarez Barajas airport November 6, 2014. Iberia is the first Spanish airline to use this electronic device which will replace the traditional books and papers that pilots use during flights. REUTERS/Sergio Perez (SPAIN - Tags: TRANSPORT) 

Girls clad in burqas take picture with a tablet while visiting Karachi's Clifton beach October 28, 2014. According to local media, Pakistan authorities closed coastal belt due to the tropical cyclone Nilofar which has gained further strength as it continue to move inwards. REUTERS/Akhtar Soomro (PAKISTAN - Tags: SOCIETY ENVIRONMENT TPX IMAGES OF THE DAY) 

A bishop takes a picture with a tablet during a synod of bishops in Paul VI's hall at the Vatican October 6, 2014. Pope Francis on Monday opened the Roman Catholic assembly that will discuss marriage, gay couples, birth control and other moral issues, telling his bishops to speak frankly and not be afraid of upsetting him. REUTERS/Max Rossi (VATICAN - Tags: RELIGION) 

Salesgirls talk amongst themselves as they wait for customers while selling cows for the upcoming Eid al-Adha festival at a cow showroom in Depok, outskirt of Jakarta, September 30, 2014. The cow showroom has adopted a unique way of selling cattle for Eid al-Adha by employing salesgirls to attract customers. According to the owners of the showroom, this has led to an increase in sales since they started employing salesgirls three years ago, having sold around 400 cattle in 2012, 440 in 2013 and 510 this year. Many Muslims around the world will commemorate Eid al-Adha by sacrificing cattle and distributing the meat to the poor. REUTERS/Beawiharta (INDONESIA - Tags: RELIGION FOOD SOCIETY ANIMALS TPX IMAGES OF THE DAY) 

A reporter takes a picture of the "Adoration of the Magi", a massive painting that Leonardo da Vinci started in 1481 at the age of 29 but abandoned a year later, leaving it in various stages of conception and development, as it is unveiled in Florence September 23, 2014. The painting on wood, measuring about 2.5 by 2.5 meters (8.2 by 8.2 feet) depicts the three wise men who paid tribute to the infant Jesus in Bethlehem, but it also includes a riot of human figures, battling horses, architectural designs, landscapes and skies. Done on 10 slabs of wood glued together, it has blank areas, areas with under-drawings, and sections in advanced stages. The current restoration project has revealed many previously hidden details, facial expressions and subtleties of light and shadow. After the wood backing of the painting is restored, it is due to return to a special room in the Uffizi, where it will be on display with two other Leonardo works. To match Feature ART-ITALY/LEONARDO Picture taken September 23, 2014. REUTERS/Max Rossi (ITALY - Tags: SOCIETY) 

A journalist takes a photo of a truck with her tablet PC at the IAA truck show in Hanover, September 23, 2014. The IAA 2014 will open its doors for the public on September 25. REUTERS/Fabian Bimmer (GERMANY - Tags: BUSINESS TRANSPORT) 

A resident takes pictures of cattle grazing at a flooded wheat field near the area of Bolivar, southwest of Buenos Aires September 10, 2014. The Argentine wheat crop cycle 2014/15 could suffer serious losses due to heavy rains that left under water more than a million hectares in the agricultural center of the country, about 30 percent of the area for cereal, experts said. REUTERS/Enrique Marcarian (ARGENTINA - Tags: AGRICULTURE ANIMALS ENVIRONMENT) 

A French deputy looks at the front page of the French weekly magazine Paris-Match on his tablet as he attends the questions to the government session at the National Assembly in Paris, September 10, 2014. REUTERS/Benoit Tessier (FRANCE - Tags: POLITICS MEDIA) 

A trader works on the floor of the New York Stock Exchange August 15, 2014. REUTERS/Brendan McDermid (UNITED STATES - Tags: BUSINESS) 

A supporters displays a picture of Turkey's Prime Minister Tayyip Erdogan on a tablet during celebrations of his election victory in front of the party headquarters in Ankara August 10, 2014. Erdogan secured his place in history as Turkey's first directly elected president on Sunday, sweeping more than half the vote in a result his opponents fear heralds an increasingly authoritarian state. REUTERS/Umit Bektas (TURKEY - Tags: POLITICS ELECTIONS)